package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {

    /*
    *
    * 动态条件查询
    * */
    List<ShoppingCart> list(ShoppingCart shoppingCart);


    // 修改商品数量根据Id
    @Update("update shopping_cart set number=#{number} where id=#{id}")
    void updateNumberById(ShoppingCart cart);

    /*
    *
    * 插入购物车数据
    * */
    @Insert("insert into shopping_cart (name, image, user_id, dish_id, setmeal_id, dish_flavor, number, amount, create_time) " +
            "values (#{name}, #{image}, #{userId}, #{dishId}, #{setmealId}, #{dishFlavor}, #{number}, #{amount}, #{createTime})")
    void insert(ShoppingCart shoppingCart);

    // 根据用户id删除购物车数据
    @Delete("delete from shopping_cart where user_id = #{userId}")
    void deleteByUserId(Long userId);

    // 根据id删除购物车数据
    @Delete("delete from shopping_cart where id = #{id}")
    void deleteById(Long id);

    void insertBatch(List<ShoppingCart> shoppingCartList);
}
